- Added `getParticipantDetails` query to fetch details of multiple participants in a direct message channel.
- Introduced `dexie-react-hooks` for improved state management with Dexie.
- Refactored user validation logic to support optional user authentication.
- Created new UI components for friend actions and friend list display.
- Implemented a layout structure for the application, including a sidebar and main content area.
- Updated socket management to handle connection states more effectively.
- Removed deprecated `page.tsx` file and organized routing structure for better maintainability.
